Cellular antenna adaptor plug



FIG. 1 is a front elevation view of a cellular antenna adaptor plug, showing my design, the dashed lines representing a cable and not being part of the claimed design.

FIG. 2 is a rear view thereof, the dashed lines not being part of the claimed design.

FIG. 3 is a right side view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a top view thereof, the dashed lines not being part of the claimed design; and,

FIG. 6 is a bottom view thereof, the dashed lines not being part of the claimed design. 

The ornamental design for a cellular antenna adaptor plug, as shown and described. 